BR9806781A - Process for the esterification of (meth) acrylic acid with an alkanol in the presence of an esterification catalyst. - Google Patents

Process for the esterification of (meth) acrylic acid with an alkanol in the presence of an esterification catalyst.

Info

Publication number
BR9806781A
BR9806781A BR9806781-8A BR9806781A BR9806781A BR 9806781 A BR9806781 A BR 9806781A BR 9806781 A BR9806781 A BR 9806781A BR 9806781 A BR9806781 A BR 9806781A
Authority
BR
Brazil
Prior art keywords
esterification
alkanol
meth
acrylic acid
catalyst
Prior art date
Application number
BR9806781-8A
Other languages
Portuguese (pt)
Inventor
Heinrich Aichinger
Michael Friedman
Gerhard Nestler
Holger Herbst
Original Assignee
Basf Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Basf Ag filed Critical Basf Ag
Publication of BR9806781A publication Critical patent/BR9806781A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/30—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group
    • C07C67/317—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by splitting-off hydrogen or functional groups; by hydrogenolysis of functional groups
    • C07C67/327—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by splitting-off hydrogen or functional groups; by hydrogenolysis of functional groups by elimination of functional groups containing oxygen only in singly bound form
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/08—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/48—Separation; Purification; Stabilisation; Use of additives
    • C07C67/60—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

"PROCESSO PARA A ESTERIFICAçãO DE áCIDO.(MET)ACRìLICO COM UM ALCANOL NA PRESENçA DE UM CATALISADOR DE ESTERIFICAçãO" Em um processo para a esterificação de ácido (met)acrílico com um alcanol, o oxi-éster formado como um produto secundário da esterificação é reclivado sob catálise de ácido com a adição de ácido (met) acrílico monomérico e/ ou oligomérico e água."PROCESS FOR THE ACID STERIFICATION. (MET) ACRYLIC WITH AN ALKANOL IN THE PRESENCE OF A STERIFICATION CATALYST" In a process for the esterification of (meth) acrylic acid with an alkanol, the oxy-ester formed as a secondary product of esterification it is recovered under acid catalysis with the addition of monomeric and / or oligomeric (meth) acrylic acid and water.

BR9806781-8A 1997-01-20 1998-01-08 Process for the esterification of (meth) acrylic acid with an alkanol in the presence of an esterification catalyst. BR9806781A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19701737A DE19701737A1 (en) 1997-01-20 1997-01-20 Process for the esterification of (meth) acrylic acid with an alkanol
PCT/EP1998/000068 WO1998031656A1 (en) 1997-01-20 1998-01-08 Process for the esterification of (meth)acrylic acid with an alkanol

Publications (1)

Publication Number Publication Date
BR9806781A true BR9806781A (en) 2000-05-16

Family

ID=7817791

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9806781-8A BR9806781A (en) 1997-01-20 1998-01-08 Process for the esterification of (meth) acrylic acid with an alkanol in the presence of an esterification catalyst.

Country Status (9)

Country Link
US (1) US20010047106A1 (en)
EP (1) EP0956279B1 (en)
JP (1) JP2001508076A (en)
KR (1) KR20000070185A (en)
CN (1) CN1244189A (en)
AU (1) AU6207798A (en)
BR (1) BR9806781A (en)
DE (2) DE19701737A1 (en)
WO (1) WO1998031656A1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19851984A1 (en) * 1998-11-11 2000-05-18 Basf Ag Process for the esterification of (meth) acrylic acid with an alkanol
BR0008823B1 (en) 1999-03-06 2010-11-03 process for the preparation of acrylic acid.
DE19922722A1 (en) * 1999-05-18 2000-11-23 Basf Ag Process for the preparation of (meth) acrylic acid esters
DE10127941A1 (en) 2001-06-08 2002-05-29 Basf Ag Production of (meth)acrylate esters by transesterification comprises recycling by-product alcohol to the production of the starting (meth)acrylate
AU2002355041A1 (en) * 2001-11-28 2003-06-10 Mitsubishi Chemical Corporation Process for producing (meth)acrylic acid compound
WO2003057660A1 (en) * 2001-12-26 2003-07-17 Mitsubishi Chemical Corporation Method of decomposing by-product of (meth)acrylic ester production
DE102004008575A1 (en) * 2004-02-19 2005-09-08 Stockhausen Gmbh Cleavage of oligomeric (meth) acrylic acid in the liquid phase under pressure
DE102008054587A1 (en) 2008-12-12 2010-06-17 Basf Se Process for the cleavage of Michael adducts contained in a liquid F, which was formed during the production of acrylic acid or its esters
CN110372509A (en) * 2019-07-19 2019-10-25 江门谦信化工发展有限公司 A kind of cracking recovery process of n-butyl acrylate heavy constituent
WO2021224044A1 (en) 2020-05-04 2021-11-11 Basf Se Method for breaking down michael adducts contained in a fluid f and formed during the preparation of acrylic acid
EP4015498B1 (en) 2020-12-18 2024-04-24 Basf Se Method for the continuous production of acrylic acid n-butylester
FR3146894A1 (en) 2023-03-24 2024-09-27 Arkema France PROCESS FOR PURIFYING LIGHT ALKYL ACRYLATES

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE626622A (en) * 1961-12-29
DE19547485A1 (en) * 1995-12-19 1996-05-09 Basf Ag Methacrylic] acid esterification with alkanol for alkyl methacrylate]
DE19547459A1 (en) * 1995-12-19 1996-07-25 Basf Ag Esterifying (meth)acrylic acid with alkanol in presence of esterification catalyst

Also Published As

Publication number Publication date
CN1244189A (en) 2000-02-09
AU6207798A (en) 1998-08-07
DE59805307D1 (en) 2002-10-02
JP2001508076A (en) 2001-06-19
KR20000070185A (en) 2000-11-25
WO1998031656A1 (en) 1998-07-23
EP0956279A1 (en) 1999-11-17
DE19701737A1 (en) 1998-07-23
EP0956279B1 (en) 2002-08-28
US20010047106A1 (en) 2001-11-29

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 6A,7A,8A E 9A ANUIDADES.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 1888 DE 13/03/2007.